2570D and 2670D Wheel Feller Buncher Engine Supplement Caterpillar


Solenoid Valve (DEF Heater Coolant) - Remove and Install

Usage:

2570D D25

Removal Procedure

------ WARNING! ------

Personal injury can result from hot coolant, steam and alkali.

At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.

Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.

Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.

Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.


  1. Turn the battery disconnect switch to the OFF position.


    Illustration 1g06127972

  2. Open door assembly (1).


    Illustration 2g06128321

  3. Disconnect harness assembly (2).

  4. Loosen clamps (5) and disconnect hoses (3) and (4).


    Illustration 3g06128332

  5. Remove bolts (7) and .

Installation Procedure

  1. Install solenoid valve (DEF heater coolant) (6) in the reverse order of removal.

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